Hadrian, AE Diobol of Alexandria, 24.58 mm; 7.84 gr. Year 16, 131-132 AD. 

Obv: AVT KAI TRAIA ADRIA CEB, laureate, draped bust right, seen from the back.
Rev: Isis as mother, seated right on throne, holding the infant Harpokrates. 

Emmett 1138; Dattari 7705; Geissen 1046.

Courtesy of ancientimports.com, Oct. 2010.